Finding the Fourth Proportional to 90,373.23, 135,606.33 and 43,042.01

Step by Step Solution

1. Step 1: Write the proportion equation
   90,373.23 : 135,606.33 = 43,042.01 : x
2. Step 2: Convert to fraction form
   90,373.23/135,606.33 = 43,042.01/x
3. Step 3: Cross multiply
   90,373.23x = 135,606.33 × 43,042.01
4. Step 4: Simplify right side
   90,373.23x = 5,836,768,333.89
5. Step 5: Solve for x
   x = 5,836,768,333.89/90,373.23
6. Step 6: Final answer
   x = 64,585.15